Axial flow fan capable of monitoring temperature
By introducing a temperature sensor and an automatic control system into the axial flow fan, the problem of the axial flow fan's inability to quickly adjust the air extraction direction is solved, achieving efficient heat dissipation for local high-temperature areas and improving heat dissipation efficiency.
Patent Information
- Application Number
- CN202520988325.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-20
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-05-20
AI Technical Summary
Existing axial flow fans cannot quickly adjust the air extraction direction according to the ambient temperature, resulting in low heat dissipation efficiency.
A temperature sensor is used to monitor the ambient temperature in real time, and the direction and speed of the exhaust hood are adjusted by the electric telescopic rod and drive motor through the main controller, so as to achieve precise temperature control and on-demand energy supply.
It enables rapid air extraction from localized high-temperature areas, reducing energy consumption and improving heat dissipation efficiency, making it particularly suitable for enclosed spaces such as computer rooms and factories.
Smart Images

Figure CN223964636U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of axial flow fan technology, and in particular to an axial flow fan with temperature monitoring capability. Background Technology
[0002] In existing technology, axial flow fans have a wide range of applications. They are a type of fan where the airflow direction is the same as the fan blade axis, such as electric fans and air conditioner outdoor unit fans. They are called "axial flow" because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications requiring high flow rates but low pressure. An axial flow fan is fixed in position and moves air.
[0003] A search revealed Chinese patent application number 202420748222.0, which discloses an axial flow fan for high-temperature fluid transport, comprising: a fan body; a support frame connected to the outside of the fan body; a rotating shaft, the fan body being rotatably connected to the support frame via the rotating shaft; a locking device connected to the rotating shaft; a lifting slide rod connected to the support frame at its top, the lifting slide rod having multiple threaded holes; an adjusting cylinder detachably connected to the lifting slide rod via fixing bolts; and a base frame connected to the adjusting cylinder at its top, with casters and anti-slip pads provided at the bottom of the base frame.
[0004] The above-mentioned patent has the following shortcomings: The axial flow fan mainly plays the role of ventilation and heat dissipation. Although the height of the bracket and the fan body can be adjusted, in actual use, it is still mainly adjusted manually. It cannot quickly adjust the air extraction direction of the axial flow fan according to the ambient temperature, which reduces the actual effect of the axial flow fan position adjustment and is not conducive to improving the axial flow fan's ability to quickly perform ventilation and heat dissipation. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an axial flow fan capable of monitoring temperature.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An axial flow fan with temperature monitoring capability, comprising:
[0008] The mounting housing has a main controller fixedly mounted on its front, and electric telescopic rods controlled by the main controller are installed on the bottom of all four sides. The bottom of the telescopic end of the electric telescopic rod is equipped with an air extraction hood.
[0009] A connecting straight cylinder is fixedly installed at its bottom end with a guide straight cylinder integrally formed on the top of the exhaust hood, and a spherical cylinder is fixedly sleeved on the outer wall of the connecting straight cylinder. Two limiting arms are symmetrically arranged on the outer wall of the spherical cylinder, and the two limiting arms form a limiting collar, which is fixedly installed inside the mounting connecting shell.
[0010] A flow-blocking groove ring is fixedly connected to the bottom of the outer wall of the air extraction hood. Multiple temperature sensors are equidistantly arranged at the top of the flow-blocking groove ring, and the temperature sensors feed back real-time temperature data to the main controller.
[0011] As a further embodiment of this utility model: the tail end of the electric telescopic rod is rotatably connected to a rotating arm assembly one, and the telescopic end of the electric telescopic rod is rotatably connected to a rotating arm assembly two.
[0012] As a further embodiment of this utility model: multiple rotating arm assemblies are welded at equal intervals to the outer wall of the exhaust hood, and one end of each rotating arm assembly is fixedly connected to a rotating connecting plate.
[0013] As a further improvement of this utility model: a rotating mounting pin is fixedly connected to one side of the rotating connecting plate, and the rotating mounting pin is rotatably connected to the mounting connecting shell.
[0014] As a further improvement of this utility model: two bearing mounting arms are symmetrically arranged on the outer wall of the limiting arm, and a fixing connecting block is fixedly connected to the end of the bearing mounting arm.
[0015] As a further improvement of this utility model: a connecting pipe head is fixedly installed at the top of the connecting straight cylinder, and a telescopic exhaust pipe is fixedly installed at the top of the connecting pipe head.
[0016] As a further embodiment of this utility model: a transmission main shaft is rotatably installed inside the guide cylinder, and a fan blade is fixedly installed on the lower part of the outer wall of the transmission main shaft.
[0017] As a further embodiment of this utility model: the top end of the transmission spindle is connected to a drive motor via a coupling, and a motor mounting sleeve is fixedly installed on the outer wall of the drive motor.
[0018] Compared with the prior art, this utility model provides an axial flow fan with temperature monitoring capability, which has the following beneficial effects:
[0019] 1. This temperature-monitoring axial flow fan uses four temperature sensors symmetrically distributed in a cross shape on the baffle ring to monitor the air temperature in different directions around the exhaust hood in real time, covering a wide range. When the temperature in a certain area is abnormal (such as high temperature at the heat dissipation vent), the main controller immediately controls the extension and retraction of the corresponding electric telescopic rod to adjust the deflection direction of the exhaust hood, thereby specifically enhancing the exhaust speed in the high-temperature area and achieving precise temperature control. The temperature sensors provide data feedback at a frequency of once per minute, which, combined with the rapid extension and retraction of the electric telescopic rod, ensures that the system responds to changes in ambient temperature in real time.
[0020] 2. This temperature-monitoring axial flow fan can quickly remove hot air from hot spots by increasing the local air extraction speed (such as increasing the drive motor speed), avoiding the inefficiency caused by the uniform air supply of traditional fans. The main controller dynamically adjusts the output of the electric telescopic rod and drive motor according to the temperature difference to achieve on-demand power supply and reduce ineffective energy consumption. It is suitable for enclosed spaces such as computer rooms and factories, and is especially suitable for scenarios with frequent local hot spots (such as server clusters), significantly improving heat dissipation efficiency.
[0021] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description
[0022] Figure 1 This is a three-dimensional structural diagram of the overall assembly of this utility model;
[0023] Figure 2 This is a partial cross-sectional view of the overall assembly of this utility model. Figure 1 ;
[0024] Figure 3 This utility model Figure 2 A magnified schematic diagram of the partial structure at point A in the middle;
[0025] Figure 4 This is a partial cross-sectional view of the overall assembly of this utility model. Figure 2 .
[0026] In the diagram: 1. Mounting connecting shell; 2. Main controller; 3. Rotating connecting plate; 4. Rotating arm assembly one; 5. Electric telescopic rod; 6. Rotating arm assembly two; 7. Exhaust hood; 8. Flow-blocking groove ring; 9. Fixed mounting cylinder; 10. Temperature sensor; 11. Guide straight cylinder; 12. Connecting straight cylinder; 13. Connecting pipe head; 14. Telescopic exhaust pipe; 15. Spherical cylinder; 16. Limiting clamp arm; 17. Rotating mounting pin; 18. Positioning cone; 19. Fixed arm one; 20. Transmission main shaft; 21. Fan blade; 22. Positioning connecting cylinder; 23. Fixed arm two; 24. Reinforcing support rod; 25. Motor mounting cylinder; 26. Drive motor; 27. Bearing mounting arm; 28. Fixed connecting block. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0028] An axial flow fan with temperature monitoring capability, such as Figures 1 to 4 As shown, it includes: a connecting cylinder 12 disposed inside the mounting housing 1 and a main controller 2 fixedly installed on the front of the mounting housing 1. The main controller 2 is used to control the operation of the overall device.
[0029] A flow guide cylinder 11 is fixedly installed at the bottom end of the connecting straight cylinder 12. An air extraction hood 7 is integrally formed at the bottom end of the flow guide cylinder 11. A flow obstruction groove ring 8 is welded to the bottom of the outer wall of the air extraction hood 7. Four sets of flow passage grooves are equally spaced at the top of the flow obstruction groove ring 8. Each set of flow passage grooves is set to multiple at equal intervals. The flow obstruction groove ring 8 with flow passage grooves facilitates the entry of air above the outside of the air extraction hood 7 into the interior of the air extraction hood 7 at a lower flow rate.
[0030] A temperature sensor 10 is installed between two adjacent flow channels. A fixed mounting cylinder 9 is sleeved on the outer wall of the temperature sensor 10 and welded to the upper surface of the flow obstruction ring 8. The temperature sensor 10 detects the temperature in four directions around the exhaust hood 7 and feeds the detection data back to the main controller 2.
[0031] A connecting pipe head 13 is fixedly installed at the top of the straight guide cylinder 11, and a telescopic exhaust pipe 14 is fixedly installed at the top of the connecting pipe head 13. The telescopic exhaust pipe 14 is connected to the air circulation pipe of the guide fan.
[0032] A spherical cylinder 15 is fixedly sleeved on the outer wall of the connecting straight cylinder 12, such as... Figure 4 The outer wall of the spherical cylinder 15 shown is set as a spherical surface (partial). Two limiting arms 16 are symmetrically arranged on the outer wall of the spherical cylinder 15. The two limiting arms 16 form a limiting collar. The spherical cylinder 15 is rotatably installed inside the limiting collar and can be deflected inside the spherical cylinder 15. The maximum deflection angle is set to fifty degrees. The suction angle of the suction hood 7 can be adjusted according to the actual temperature of the surrounding environment.
[0033] Two load-bearing mounting arms 27 are symmetrically arranged on the outer wall of the limiting arm 16 and welded to it. A fixing connecting block 28 is fixedly connected to the end of each load-bearing mounting arm 27. Figure 4 As shown, the included angle between two adjacent load-bearing mounting arms 27 is set to 90 degrees, and the fixed connecting block 28 is fixedly installed at the corner inside the mounting connecting shell 1 by bolts.
[0034] The guide tube 11 is equipped with a drive shaft 20. A positioning cone 18 is rotatably mounted on the bottom end of the drive shaft 20. Multiple fixing arms 19 are welded at equal intervals on the outer wall of the positioning cone 18. The ends of the fixing arms 19 are fixedly connected to the interior of the guide tube 11. A fan blade 21 is fixedly mounted on the lower part of the outer wall of the drive shaft 20.
[0035] A positioning connecting cylinder 22 is rotatably sleeved on the upper part of the outer wall of the transmission main shaft 20. Multiple fixed arms 23 are welded at equal intervals on the outer wall of the positioning connecting cylinder 22. The ends of the fixed arms 23 are fixedly connected to the inner wall of the guide cylinder 11.
[0036] The top end of the transmission main shaft 20 is connected to the drive motor 26 via a coupling. The outer wall of the drive motor 26 is fixedly mounted with a motor mounting cylinder 25. The bottom end of the motor mounting cylinder 25 is rotatably connected to the transmission main shaft 20 via a bearing. Multiple reinforcing support rods 24 are welded at equal intervals to the outer wall of the motor mounting cylinder 25. The bottom end of the reinforcing support rods 24 is fixedly mounted with a positioning clip. The multiple positioning clips are respectively welded to multiple fixed arms 23.
[0037] Rotary connecting plates 3 are provided on the bottom of all four sides of the mounting connecting shell 1. A rotating mounting pin 17 is welded to one side of the rotating connecting plate 3. The rotating mounting pin 17 is rotatably connected to the mounting connecting shell 1. A rotating arm assembly 4 is welded to the bottom of the other side of the rotating connecting plate 3. An electric telescopic rod 5 is rotatably installed inside the rotating arm assembly 4.
[0038] The telescopic end of the electric telescopic rod 5 is rotatably connected to a rotating arm assembly 6. Multiple rotating arm assemblies 6 are welded at equal intervals to the outer wall of the exhaust hood 7, and the telescopic state of the four electric telescopic rods 5 is controlled by the main controller 2.
[0039] The four electric telescopic rods 5 correspond to the four temperature sensors 10, arranged counterclockwise to positions one, two, three, and four respectively; for example... Figure 1 As shown, at this time, all four electric telescopic rods 5 maintain the same length of extension. At this time, the axis of the air extraction hood 7 is vertically downward, and the four temperature sensors 10 detect similar air temperature values with an error of plus or minus one degree. For example, the temperature detected by the temperature sensor 10 at position one is 26 degrees Celsius, while the temperature detected by the other three temperature sensors 10 is between 25 and 27 degrees Celsius.
[0040] Generally, the temperature difference in the same enclosed space will not exceed five degrees Celsius (the air temperature at the air outlet will be significantly different from that at other locations). When the temperature detection value of one of the temperature sensors 10 is significantly different from that of other temperature sensors 10, the main controller 2 will control the electric telescopic rod 5 corresponding to that temperature sensor 10 to extend or retract.
[0041] For example, under heat dissipation conditions, when the feedback value of temperature sensor 10 at position 1 is 30 degrees Celsius, the feedback value of temperature sensor 10 at position 2 is 28 degrees Celsius, the feedback value of temperature sensor 10 at position 3 is 27 degrees Celsius, and the feedback value of temperature sensor 10 at position 4 is 29 degrees Celsius, the main controller 2 controls the electric telescopic rod 5 corresponding to position 1 to retract, while the other three electric telescopic rods 5 extend accordingly, causing the air extraction port of the air extraction hood 7 to deflect towards position 1. At the same time, the main controller 2 controls the drive motor 26 to increase its output speed, thereby increasing the air extraction speed in the direction of position 1, achieving the purpose of rapid cooling in the direction of position 1.
[0042] Working principle:
[0043] Please refer to Figures 1 to 4 Assemble the device as shown in the figure;
[0044] When using this device, first install it in the designated position using the mounting and connecting shell 1, then power it on. The main controller 2 starts the drive motor 26 and four temperature sensors 10. The temperature sensors 10 detect the temperature of the air around the extraction hood 7 once per minute and feed the detection data back to the main controller 2. Based on the feedback temperature data, the main controller 2 quickly adjusts the extension and retraction state of the electric telescopic rod 5 at the corresponding position, so that the extraction hood 7 deflects around the center of the spherical cylinder 15, quickly adjusting the extraction direction of the extraction hood 7.
[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An axial flow fan with monitorable temperature, characterized in that, include: The mounting connection shell (1) has a main controller (2) fixedly installed on its front, and electric telescopic rods (5) controlled by the main controller (2) are provided on the bottom of all four sides. The bottom of the telescopic end of the electric telescopic rod (5) is provided with an air extraction hood (7). A connecting straight cylinder (12) is fixedly installed at its bottom end with a guide straight cylinder (11) integrally formed on the top of the air extraction hood (7), and a spherical cylinder (15) is fixedly sleeved on the outer wall of the connecting straight cylinder (12). Two limiting arms (16) are symmetrically arranged on the outer wall of the spherical cylinder (15). The two limiting arms (16) form a limiting collar and are fixedly installed inside the mounting connecting shell (1). The bottom of the outer wall of the exhaust hood (7) is fixedly connected to a flow-blocking groove ring (8), and multiple temperature sensors (10) are equidistantly arranged at the top of the flow-blocking groove ring (8). The temperature sensors (10) feed back real-time temperature data to the main controller (2).
2. The axial flow fan with monitorable temperature according to claim 1, characterized in that: The tail end of the electric telescopic rod (5) is rotatably connected to a rotating arm assembly one (4), and the telescopic end of the electric telescopic rod (5) is rotatably connected to a rotating arm assembly two (6).
3. The axial flow fan with monitorable temperature according to claim 2, characterized in that: Multiple rotating arm assemblies (6) are welded at equal intervals to the outer wall of the exhaust hood (7), and a rotating connecting plate (3) is fixedly connected to one end of the rotating arm assembly (4).
4. The axial flow fan with monitorable temperature according to claim 3, characterized in that: A rotating mounting pin (17) is fixedly connected to one side of the rotating connecting plate (3), and the rotating mounting pin (17) is rotatably connected to the mounting connecting shell (1).
5. The axial flow fan with monitorable temperature according to claim 1, characterized in that: The outer wall of the limiting arm (16) is symmetrically provided with two bearing mounting arms (27), and the end of the bearing mounting arm (27) is fixedly connected to a fixing connecting block (28).
6. The axial flow fan with monitorable temperature according to claim 1, characterized in that: A connecting pipe head (13) is fixedly installed at the top end of the connecting straight cylinder (12), and a telescopic exhaust pipe (14) is fixedly installed at the top end of the connecting pipe head (13).
7. The axial flow fan with monitorable temperature according to claim 1, characterized in that: The guide cylinder (11) is rotatably mounted with a drive shaft (20), and a fan blade (21) is fixedly mounted on the lower part of the outer wall of the drive shaft (20).
8. The axial flow fan with monitorable temperature according to claim 7, characterized in that: The top end of the transmission spindle (20) is connected to a drive motor (26) via a coupling, and a motor mounting sleeve (25) is fixedly installed on the outer wall of the drive motor (26).
Citation Information
Patent Citations
Axial flow fan for conveying high-temperature fluid
CN222835939U